Vanadium batteries will be cost-effective

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Strategies of vaccine production against COVID-19: when will an effective vaccine be produced?

There is a strong consensus globally that production of an effective vaccine against SARS-CoV-2 is likely the most effective approach to sustainably controlling the COVID-19 pandemic. An unprecedented research effort and global coordination has resulted in a rapid development of vaccine candidates and initiation of trials. In this paper, we review vaccine candidate against COVID-19 and also cha...

Disaggregated and optically interconnected memory: when will it be cost effective?

The “Disaggregated Server” concept has been proposed for datacenters where the same type server resources are aggregated in their respective pools, for example a compute pool, memory pool, network pool, and a storage pool. Each server is constructed dynamically by allocating the right amount of resources from these pools according to the workload’s requirements. Modularity, higher packaging and...

A Numerical Simulation of Vanadium Redox Flow Batteries

The recent penetration of renewable sources in the energy system caused a transformation of the needs of the distribution system and amplified the need of energy storage systems to properly balance the electricity grid. Among electrochemical energy storage devices, all vanadium flow batteries are those of the most promising technologies due to their high efficiency, long lifetime, reliability a...

Will clinical associates be effective for South Africa?

South Africa has developed an innovative mid-level medical worker model that can contribute substantively to the development of quality district level health care. These clinical associates entered the South African job market in 2011 and have reportedly been received favourably. The first cohorts performed well on local and national examinations, with pass rates >95%. They have demonstrated co...